Home / 522,359,510.92-782,678,326.29-303,395,190.10

Finding the Fourth Proportional to 522,359,510.92, 782,678,326.29 and 303,395,190.10

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Solution

The fourth proportional to 522,359,510.92, 782,678,326.29 and 303,395,190.10 is: 454,592,736.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,359,510.92 : 782,678,326.29 = 303,395,190.10 : x
  2. Step 2: Convert to fraction form
    522,359,510.92/782,678,326.29 = 303,395,190.10/x
  3. Step 3: Cross multiply
    522,359,510.92x = 782,678,326.29 × 303,395,190.10
  4. Step 4: Simplify right side
    522,359,510.92x = 237,460,839,588,809,984
  5. Step 5: Solve for x
    x = 237,460,839,588,809,984/522,359,510.92
  6. Step 6: Final answer
    x = 454,592,736.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.